Invasive Pests for Fruit Growers: Aug 2, 2013

Most monitoring locations across the state are now reporting SWD captures with numbers steadily increasing in many locations. There are still a few locations (mostly away from commercial fruit production) where no SWD have yet been caught (e.g., Arnold Arboretum). However, there are other non-farm locations where SWD are being caught. Surrounding states are reporting increased trap captures, too. Traps near commercial fruit production are showing increasing populations in border areas around the fields, but levels of fruit infestation vary. It is best for individual farms to monitor their fields with traps and sample their harvested fruit regularly to be sure of it's quality prior to sale. Frequent and thorough harvest (daily if possible), and not allowing fruit to fall to the ground( if possible) are still important principles. Transport harvested fruit as quickly as possible to refrigeration. Spray recommended materials (organic or conventional) on a tight schedule (5-7 days). See https://extension.umass.edu/fruitadvisor/spotted-wing-drosophila for monitoring, identification and management information.